Samsung LT-P468W Service Manual page 83

11 Schematic Diagrams
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11-3 TUNER & G/C(JAPAN) 3D-COM FLITER Schematic Diagram
9V_A
33V_A 5V_TUNER
L301 L302
3.3UH 3.3UH
IC301
MC33269DTRK-5.0
3
OUT 4
IN
GND
C301
1
82uF
6.3V
TUNERGND TP311 TUNERGND
1
C304 C305
100nF 22uF
1
TUNERGND TP321
L303
R304 10 3.3UH 1 TP325
SCL_5
1
TP327
SDA_5
L304
R305 10
C321 C322
3.3UH C323 C324
47pF 47pF
47uF 10nF
50V 50V
50V
MO MO
MATERIAL
TUNERGND TUNERGND
TUNERGND
1 TP328
SIF_1
R319
AFT_1
R320 1
TP330 10
RF_1
0
R387
R322
1/16W R323
RF_GC 62ohm
75
0 JPN:51 OHM
1/16W
TUNERGND
5V_TUNER
L321
33V_A
L308
3.3UH
1
TP340
L309
R354 3.3UH 1
10 TP344
SCL_5
R357 1
10 TP346
SDA_5
L310
C348 C349
3.3UH C350 C351
47pF 47pF 47uF
10nF
50V 50V
50V
MO MO MATERIAL
TUNERGND
TUNERGND
TUNERGND
R361
10
1
TP347
SIF_2
1 R362
TP348
TUNER_MONO
R363
10 1/16W
AFT_2
1 TP350 10 1/16W
RF_2
R397
R364
62ohm
75
JPN:51 OHM
TUNERGND
9V_A
C358
C359
10uF
100nF
16V
L314
Q315
1.5uH
2SC2412K-Q C
B
R393
22K
1/16W
E
MAIN_YV
B
C370
47uF
R399 R398
16V
7.5K 470
1/16W 1/16W
9V_A
C383
C385
10uF
100nF
16V
L318
1.5uH
R3118
22K
1/16W
C
MAIN_C
B
E
C398
47uF
R3124
16V
7.5K
1/16W
LT-P468W
BN40-00038A
C302 C303
82uF 100nF
6.3V
R302
TN301
10
MGND1
1/16W
NC MGND2
TUNERGND AA39-30007A
NC
NC
AGC
C317
AS
22uF
SCL
1 TP318 SDA
MB
SIF
TU
NC
AFT
MGND3 VIDEO
MGND4
TUNERGND
3705-001329
CN301
K361-992-005
R312
10
TP329
1
1/16W
TUNERGND
C337 C338
82uF 100nF
6.3V
R338
10K
1/16W
MGND1
TUNERGND MGND2
NC
NC
AGC
AS
SCL
SDA
C344
1 MB
22uF TP337
SIF
TU
NC
AFT
VIDEO
MGND3
MGND4
TN302
TUNERGND
TUNERGND
BD304 BD305
BLM41P600S BLM41P600S
BD306 BD307
BLM41P600S BLM41P600S
TUNERGND TUNERGND
1
TP349
5V_COMB
C352 R365
10.000000 47K
C354
100nF
N 1/16W
L311
1.5uH
C
Q308
R376
KSC1623-G
220 B
1/16W
E
C361
C363
1nF
LIBRARY WRONG 1uF
50V
10V
2.5V_COMB MO
MO R385
FT308 R384
180K
H354LAI-K5202=P3 1K
R390 1/16W
R391
R394 1/16W
560 E
100
10 1/16W
1/16W
1/16W Q316
B KSA1182
R396
C C
620ohm C369 C368
Q317 1/16W 10.000000 100nF
R3132
KSC1623-Y N
100 E
E
1/16W G06
Q318
C372 C373
KSA1182
B
R3100 4.7uF 100nF
R3101 R3102
C
560 25V
1K 5.6K
1/16W
1/16W 1/16W
C376
C1 100nF
Y1
C378
100nF
C380 10uF
C382 100nF
LIBRARY WRONG
C384 100nF
C386 100nF
C388
100nF
FT309 C389
R3112
H354LAI-K5202=P3 100nF C390 100nF
R3113 1K
R3114
16V C392 100nF
560 1/16W
100 E
R3119 1/16W
1/16W
10 Q324
1/16W B KSA1182
R3122
C 2.5V_COMB
620ohm L320
Q325 1/16W
R3123 1.5uH
KSC1623-Y
100 E
1/16W
Q326
C3100
B KSA1182
100nF
R3125 R3126 R3127
C
1K 560 5.6K
1/16W 1/16W 1/16W
Y1
C1
3.3V_COMB
C306 C307 C308 C309 C310 C311 C312 C313 C314 C315 C316
BD301
22uF 16V 100nF 10nF 1nF 100nF 10nF 1nF 100nF 10nF 1nF 100nF
DGND
R306 R307 R308 R309 R310
47K 47K 47K 47K 47K
NC NC NC NC
R314 R315 R316 R317 R318
47K 47K 47K 47K 47K
NC
5V_COMB
FT301
SGM32F1E104-2A
2 1 DGND
B
A
C
C328 Q301
3 C329 R324
2SC2412K-Q
22uF 100nF 510
Q302
16V R326
C C
R327 2SC2412K-Q
820
10K
B B
R329 C333
C334 R330 560 E 100nF
E
AGND R331
0.1uF 2K
4.7K
50V
R334 R335
470 100
AGND
DGND
FT302
C336 AGND
H354LAI-K5202=P3
47uF
16V AGND
RF_GC
3.3V_COMB
FT303
SGM32F1E104-2A
2
1 B
A
C
3 C341 C342
10uF 100nF
16V
AGND
RESET_GC
SDA_3
R368
100
SCL_3
R366 R367
1K R369
4.7K
100
1/16W 1/16W
RESETn_3D
R372
Q307 C356
R371 100
E KSA1182 1uF
4.7K
10V MO
2.5V_COMB
1/16W
B
C
C357
C
B Q311 100nF
KSC1623-G
16V
MO
E
R379
C362 1K C360
L313 100nF
100nF 1/16W
R386 R3131 R382
4.7uH
R383
2.2K 470 C364 1K
0
1/16W 1/16W 100nF 1/16W
1/16W
C365
0.39nF
C366
16V 50V
100nF
MO MO
C371
22pF
X301
50V
AS-20.000-20-FUND-SMD
MO
81
AVDD_3 FSCO
C374
AGND_1 50
82 CBPC 22pF
83 XO 49
ACO 50V
84 XI 48 MO
AYO
85 AVDD_1 47
CBPY C379 100nF
86 DVDD_1 46
AGND_3
C381 100nF
87 TEST24 45
AGND_4
44
88 TEST23
AYI
IC305 43
89 TEST22
VCLY
42
90 VRBY TEST21
41
91 VRTY DGND_2
UPD64083GF-3BA L317
92 TEST20 40
AVDD_4
1.5uH
93 DVDDIO 39
AVDD_5
94 TEST19 38
VRTC
C391
95 TEST18 37
VRBC
100nF
96 TEST17 36
ACI
97 TEST16 35
AGND_5 C393 C394 2.5V_COMB
98 TEST15 34 L319 100uF 100nF
TEST25
33
99 DVDDRAM_2 16.000
TEST26 1.5uH
100 DVDDRAM_1 32
DVDD_3
31
C396 C397
10.000000
100nF
N
C399
10.000000
N
5V_COMB 2.5V_COMB
IC306
LF25CDT TP351
3
1 SUPLVAL
IN OUT
GND 1
2
C3101 C3102 C3103
C3104
10uF 100uF 100nF
100nF
16V 16.000
Ghost Canceller / Japan option
R301 100
R303 100
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
Y0
GNDF
65 PRMP_P5 CLMP_GT 40
Y1
VRT HDRIVE_N
66 GND_CORE 39
Y2
I2CSEL GND_PER
67 PRMP_P4 38
Y3
ISGND VDRIVE_N
68 PRMP_P3 37
VSUPY
VSUPF VDD_CORE
69 PRMP_P2 36
IC303
VOUT GNDY
70 DSTB 35
VDD_AFE_DIG
Y4
CIN
OR43304 GND_CORE
71 PRMP_P1 34
Y5
VIN1 CS_N
72 GND_AFE_DIG 33
Y6
VIN2 VDD_NCO_DIG
73 PRMP_P0 32
VPC3230D-C5
Y7
DI8 GND_NCO_DIG
74 VIN3 31
NCOOUT
VIN4
GNDLLC
75 30
VDD_AFE_A
VDD_NCO_A
DI7 VSUPLLC
76 VSUPAI 29
NCO_IN
GNDAI LLC1
77 GND_AFE_A 28
GND_NCO_A
DI6 LLC2
78 VREF 27
BOOT_EN
AIN
VSUPPA
79 FB1IN 26
VREF
DI5
GNDPA
80 AISGND 25
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
5.1Kohm
R337
R339 C339 R340 R341 C340 R342 R343
1.2K 100nF 47K 10K 27pF 47K 47K
16V
R344
75
AGND DGND DGND
R345
R346
DGND
1.2K 150
AGND
Q304
3.3V_COMB 2SC2412K-Q
R349 R350
FT306
1.2K 20K
SGM32F1E104-2A C
2 B
1
A B
C
3 C345 C346 C347 E
AGND
100nF 100uF 10uF
16.000 16V
R360
75
AGND
AGND
9V_A
C353
10uF C355
16V 100nF
L312
1.5uH R374
2.2K
1/16W R375
560 FT307
Q310
1/16W H354LAI-K5202=P3
KSC1623-Y
C
B
R380
10 Q314
E E
1/16W KSA1182
Y1
R392
B
470
C
1/16W
9V_A
C375
10uF C377
100nF
16V
L316
R3105
R3108
1.5uH
2.2K 1K
1/16W 1/16W
3.3V_COMB
Q322
E KSA1182
C1
R3115
R3117 B
1K
10 C
1/16W
1/16W
FT310
K354BAI-K5110=P3
SDA_3
SCL_3
3.3V_COMB
C318 C319 C320
100pF 10nF 470nF
IC302
NC7S04P5X
X302
5 1
VCC NC AS-20.000-20-FUND-SMD
DGND
2
A
4 3
Y GND
C325
R311
0.018nF
1M
DGND
R313 C326
100 0.018nF
DGND
IC304
C327 NC7S04P5X
R321 L305 L306 1nF 1 5
NC VCC
100 N N 2
A
3 4
GND Y
BD302
C330 C331 C332 R325
0.39nF 820pF 270pF 1K
AGND R328
3.3M
BD303
AGND
R332 47K AGND
R333 3.9K
DGND
C335 100nF
DGND
DGND
R336
51
AGND
5V_COMB
FT304
SGM32F1E104-2A
1 A B 2
C
R347 C343 3
100 Q303 22uF
E
Q305 R348 2SC2412K-Q 16V
KSA1182 100
C
FT305 AGND
B
H354LAI-K5202=P3
B
C
AGND
R351
R3133 E
560 R352 E
27
RF_1
5.6K
B
R355 R353
C R356
220 Q306 0
1K
KSA1182
R358
R359
100
300
AGND AGND
AGND
R370
R373
C
100
470
B
1/16W
1/16W E
R377
Q309
E 10
C KSC1623-Y
B 1/16W
B
Q312 R378 C Q313 Y_OUT1
KSC1623-Y
240 KSA1182
E 1/16W
R381
470
1/16W
R388 R389
5.6K 470
1/16W 1/16W R395
33 C367
NC
1/16W 150pF
50V
MO
Q319
KSA1182
C
R3104 R3103
B
R3106 R3107
470 100 Q320 R3109
30K 2.2K 1/16W KSC1623-Y 10
1/16W
E
1/16W 1/16W 1/16W
E
B
C_OUT1
C
R3110
Q321
B
E 2.2K C
C387 KSC1623-Y
R3111
1/16W
100nF
E 470
B
1/16W
C
R3116
Q323
3.9K
KSA1182
R3120 R3121
1/16W C395
1/16W
470 470
22pF
NC
1/16W
50V
MO
11-3